Humic acids are a principal component of humic substances, which are the major organic constituents of soil (humus), peat and coal. It is also a major organic constituent of many upland streams, dystrophic lakes, and ocean water. It is produced Read More>>>
Humic acid is non soluble in water with pH 4-7,from raw material of leonardite and lignite,Alkaline soluble. Humate is humic acid salt,have sodium salt and potassium salt .Soluble in water ,with pH 10-11.
Humic acid can be extracted from any material containing well-decomposed organic matter – soil, coal, composts, etc. Extraction is by way of treatment of these materials with a solution of sodium hydroxide. This dissolves much of the organic matter present. Read More>>>